1#
   2# GPIO infrastructure and drivers
   3#
   4
   5config ARCH_HAVE_CUSTOM_GPIO_H
   6	bool
   7	help
   8	  Selecting this config option from the architecture Kconfig allows
   9	  the architecture to provide a custom asm/gpio.h implementation
  10	  overriding the default implementations.  New uses of this are
  11	  strongly discouraged.
  12
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  13menuconfig GPIOLIB
  14	bool "GPIO Support"
  15	select ANON_INODES
 
  16	help
  17	  This enables GPIO support through the generic GPIO library.
  18	  You only need to enable this, if you also want to enable
  19	  one or more of the GPIO drivers below.
  20
  21	  If unsure, say N.
  22
  23if GPIOLIB
  24
  25config OF_GPIO
  26	def_bool y
  27	depends on OF
  28	depends on HAS_IOMEM
  29
  30config GPIO_ACPI
  31	def_bool y
  32	depends on ACPI
  33
  34config GPIOLIB_IRQCHIP
  35	select IRQ_DOMAIN
  36	bool
  37
  38config DEBUG_GPIO
  39	bool "Debug GPIO calls"
  40	depends on DEBUG_KERNEL
  41	help
  42	  Say Y here to add some extra checks and diagnostics to GPIO calls.
  43	  These checks help ensure that GPIOs have been properly initialized
  44	  before they are used, and that sleeping calls are not made from
  45	  non-sleeping contexts.  They can make bitbanged serial protocols
  46	  slower.  The diagnostics help catch the type of setup errors
  47	  that are most common when setting up new platforms or boards.
  48
  49config GPIO_SYSFS
  50	bool "/sys/class/gpio/... (sysfs interface)"
  51	depends on SYSFS
  52	help
  53	  Say Y here to add a sysfs interface for GPIOs.
  54
  55	  This is mostly useful to work around omissions in a system's
  56	  kernel support.  Those are common in custom and semicustom
  57	  hardware assembled using standard kernels with a minimum of
  58	  custom patches.  In those cases, userspace code may import
  59	  a given GPIO from the kernel, if no kernel driver requested it.
  60
  61	  Kernel drivers may also request that a particular GPIO be
  62	  exported to userspace; this can be useful when debugging.
  63
  64config GPIO_GENERIC
  65	depends on HAS_IOMEM # Only for IOMEM drivers
  66	tristate
  67
  68# put drivers in the right section, in alphabetical order
  69
  70# This symbol is selected by both I2C and SPI expanders
  71config GPIO_MAX730X
  72	tristate
  73
  74menu "Memory mapped GPIO drivers"
  75	depends on HAS_IOMEM
  76
  77config GPIO_74XX_MMIO
  78	tristate "GPIO driver for 74xx-ICs with MMIO access"
  79	depends on OF_GPIO
  80	select GPIO_GENERIC
  81	help
  82	  Say yes here to support GPIO functionality for 74xx-compatible ICs
  83	  with MMIO access. Compatible models include:
  84	    1 bit:	741G125 (Input), 741G74 (Output)
  85	    2 bits:	742G125 (Input), 7474 (Output)
  86	    4 bits:	74125 (Input), 74175 (Output)
  87	    6 bits:	74365 (Input), 74174 (Output)
  88	    8 bits:	74244 (Input), 74273 (Output)
  89	    16 bits:	741624 (Input), 7416374 (Output)
  90
  91config GPIO_ALTERA
  92	tristate "Altera GPIO"
  93	depends on OF_GPIO
  94	select GPIOLIB_IRQCHIP
  95	help
  96	  Say Y or M here to build support for the Altera PIO device.
  97
  98	  If driver is built as a module it will be called gpio-altera.
  99
 100config GPIO_AMDPT
 101	tristate "AMD Promontory GPIO support"
 102	depends on ACPI
 103	select GPIO_GENERIC
 104	help
 105	  driver for GPIO functionality on Promontory IOHub
 106	  Require ACPI ASL code to enumerate as a platform device.
 107
 108config GPIO_ASPEED
 109	tristate "Aspeed GPIO support"
 110	depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO
 111	select GPIOLIB_IRQCHIP
 112	help
 113	  Say Y here to support Aspeed AST2400 and AST2500 GPIO controllers.
 114
 115config GPIO_ATH79
 116	tristate "Atheros AR71XX/AR724X/AR913X GPIO support"
 117	default y if ATH79
 118	depends on ATH79 || COMPILE_TEST
 119	select GPIO_GENERIC
 120	select GPIOLIB_IRQCHIP
 121	help
 122	  Select this option to enable GPIO driver for
 123	  Atheros AR71XX/AR724X/AR913X SoC devices.
 124
 125config GPIO_RASPBERRYPI_EXP
 126	tristate "Raspberry Pi 3 GPIO Expander"
 127	default RASPBERRYPI_FIRMWARE
 128	depends on OF_GPIO
 129	# Make sure not 'y' when RASPBERRYPI_FIRMWARE is 'm'. This can only
 130	# happen when COMPILE_TEST=y, hence the added !RASPBERRYPI_FIRMWARE.
 131	depends on (ARCH_BCM2835 && RASPBERRYPI_FIRMWARE) || (COMPILE_TEST && !RASPBERRYPI_FIRMWARE)
 132	help
 133	  Turn on GPIO support for the expander on Raspberry Pi 3 boards, using
 134	  the firmware mailbox to communicate with VideoCore on BCM283x chips.
 135
 136config GPIO_BCM_KONA
 137	bool "Broadcom Kona GPIO"
 138	depends on OF_GPIO && (ARCH_BCM_MOBILE || COMPILE_TEST)
 139	help
 140	  Turn on GPIO support for Broadcom "Kona" chips.
 141
 142config GPIO_BRCMSTB
 143	tristate "BRCMSTB GPIO support"
 144	default y if (ARCH_BRCMSTB || BMIPS_GENERIC)
 145	depends on OF_GPIO && (ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST)
 146	select GPIO_GENERIC
 147	select IRQ_DOMAIN
 148	help
 149	  Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs.
 150
 151config GPIO_CLPS711X
 152	tristate "CLPS711X GPIO support"
 153	depends on ARCH_CLPS711X || COMPILE_TEST
 154	select GPIO_GENERIC
 155	help
 156	  Say yes here to support GPIO on CLPS711X SoCs.
 157
 158config GPIO_DAVINCI
 159	bool "TI Davinci/Keystone GPIO support"
 160	default y if ARCH_DAVINCI
 161	depends on ARM && (ARCH_DAVINCI || ARCH_KEYSTONE)
 162	help
 163	  Say yes here to enable GPIO support for TI Davinci/Keystone SoCs.
 164
 165config GPIO_DWAPB
 166	tristate "Synopsys DesignWare APB GPIO driver"
 167	select GPIO_GENERIC
 168	select GENERIC_IRQ_CHIP
 169	help
 170	  Say Y or M here to build support for the Synopsys DesignWare APB
 171	  GPIO block.
 172
 173config GPIO_EIC_SPRD
 174	tristate "Spreadtrum EIC support"
 175	depends on ARCH_SPRD || COMPILE_TEST
 176	depends on OF_GPIO
 177	select GPIOLIB_IRQCHIP
 178	help
 179	  Say yes here to support Spreadtrum EIC device.
 180
 181config GPIO_EM
 182	tristate "Emma Mobile GPIO"
 183	depends on (ARCH_EMEV2 || COMPILE_TEST) && OF_GPIO
 184	help
 185	  Say yes here to support GPIO on Renesas Emma Mobile SoCs.
 186
 187config GPIO_EP93XX
 188	def_bool y
 189	depends on ARCH_EP93XX
 190	select GPIO_GENERIC
 191
 192config GPIO_EXAR
 193	tristate "Support for GPIO pins on XR17V352/354/358"
 194	depends on SERIAL_8250_EXAR
 195	help
 196	  Selecting this option will enable handling of GPIO pins present
 197	  on Exar XR17V352/354/358 chips.
 198
 199config GPIO_GE_FPGA
 200	bool "GE FPGA based GPIO"
 201	depends on GE_FPGA
 202	select GPIO_GENERIC
 203	help
 204	  Support for common GPIO functionality provided on some GE Single Board
 205	  Computers.
 206
 207	  This driver provides basic support (configure as input or output, read
 208	  and write pin state) for GPIO implemented in a number of GE single
 209	  board computers.
 210
 211config GPIO_FTGPIO010
 212	bool "Faraday FTGPIO010 GPIO"
 213	depends on OF_GPIO
 214	select GPIO_GENERIC
 215	select GPIOLIB_IRQCHIP
 216	default (ARCH_GEMINI || ARCH_MOXART)
 217	help
 218	  Support for common GPIOs from the Faraday FTGPIO010 IP core, found in
 219	  Cortina systems Gemini platforms, Moxa ART and others.
 220
 221config GPIO_GENERIC_PLATFORM
 222	tristate "Generic memory-mapped GPIO controller support (MMIO platform device)"
 223	select GPIO_GENERIC
 224	help
 225	  Say yes here to support basic platform_device memory-mapped GPIO controllers.
 226
 227config GPIO_GRGPIO
 228	tristate "Aeroflex Gaisler GRGPIO support"
 229	depends on OF_GPIO
 230	select GPIO_GENERIC
 231	select IRQ_DOMAIN
 232	help
 233	  Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB
 234	  VHDL IP core library.
 235
 236config GPIO_HLWD
 237	tristate "Nintendo Wii (Hollywood) GPIO"
 238	depends on OF_GPIO
 239	select GPIO_GENERIC
 240	help
 241	  Select this to support the GPIO controller of the Nintendo Wii.
 242
 243	  If unsure, say N.
 244
 245config GPIO_ICH
 246	tristate "Intel ICH GPIO"
 247	depends on PCI && X86
 248	select MFD_CORE
 249	select LPC_ICH
 250	help
 251	  Say yes here to support the GPIO functionality of a number of Intel
 252	  ICH-based chipsets.  Currently supported devices: ICH6, ICH7, ICH8
 253	  ICH9, ICH10, Series 5/3400 (eg Ibex Peak), Series 6/C200 (eg
 254	  Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake).
 255
 256	  If unsure, say N.
 257
 258config GPIO_INGENIC
 259	tristate "Ingenic JZ47xx SoCs GPIO support"
 260	depends on OF
 261	depends on MACH_INGENIC || COMPILE_TEST
 262	select GPIOLIB_IRQCHIP
 263	help
 264	  Say yes here to support the GPIO functionality present on the
 265	  JZ4740 and JZ4780 SoCs from Ingenic.
 266
 267	  If unsure, say N.
 268
 269config GPIO_IOP
 270	tristate "Intel IOP GPIO"
 271	depends on ARCH_IOP32X || ARCH_IOP33X || COMPILE_TEST
 272	select GPIO_GENERIC
 273	help
 274	  Say yes here to support the GPIO functionality of a number of Intel
 275	  IOP32X or IOP33X.
 276
 277	  If unsure, say N.
 278
 279config GPIO_LOONGSON
 280	bool "Loongson-2/3 GPIO support"
 281	depends on CPU_LOONGSON2 || CPU_LOONGSON3
 282	help
 283	  driver for GPIO functionality on Loongson-2F/3A/3B processors.
 284
 285config GPIO_LPC18XX
 286	tristate "NXP LPC18XX/43XX GPIO support"
 287	default y if ARCH_LPC18XX
 288	depends on OF_GPIO && (ARCH_LPC18XX || COMPILE_TEST)
 289	help
 290	  Select this option to enable GPIO driver for
 291	  NXP LPC18XX/43XX devices.
 292
 293config GPIO_LYNXPOINT
 294	tristate "Intel Lynxpoint GPIO support"
 295	depends on ACPI && X86
 296	select GPIOLIB_IRQCHIP
 297	help
 298	  driver for GPIO functionality on Intel Lynxpoint PCH chipset
 299	  Requires ACPI device enumeration code to set up a platform device.
 300
 301config GPIO_MB86S7X
 302	tristate "GPIO support for Fujitsu MB86S7x Platforms"
 303	help
 304	  Say yes here to support the GPIO controller in Fujitsu MB86S70 SoCs.
 305
 306config GPIO_MENZ127
 307	tristate "MEN 16Z127 GPIO support"
 308	depends on MCB
 309	select GPIO_GENERIC
 310	help
 311	 Say yes here to support the MEN 16Z127 GPIO Controller
 312
 313config GPIO_MM_LANTIQ
 314	bool "Lantiq Memory mapped GPIOs"
 315	depends on LANTIQ && SOC_XWAY
 316	help
 317	  This enables support for memory mapped GPIOs on the External Bus Unit
 318	  (EBU) found on Lantiq SoCs. The gpios are output only as they are
 319	  created by attaching a 16bit latch to the bus.
 320
 321config GPIO_MOCKUP
 322	tristate "GPIO Testing Driver"
 323	depends on GPIOLIB && SYSFS
 324	select GPIO_SYSFS
 325	select GPIOLIB_IRQCHIP
 326	select IRQ_SIM
 327	help
 328	  This enables GPIO Testing driver, which provides a way to test GPIO
 329	  subsystem through sysfs(or char device) and debugfs. GPIO_SYSFS
 330	  must be selected for this test.
 331	  User could use it through the script in
 332	  tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in
 333	  it.
 334
 335config GPIO_MPC5200
 336	def_bool y
 337	depends on PPC_MPC52xx
 338
 339config GPIO_MPC8XXX
 340	bool "MPC512x/MPC8xxx/QorIQ GPIO support"
 341	depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \
 342		   FSL_SOC_BOOKE || PPC_86xx || ARCH_LAYERSCAPE || ARM || \
 343		   COMPILE_TEST
 344	select GPIO_GENERIC
 345	select IRQ_DOMAIN
 346	help
 347	  Say Y here if you're going to use hardware that connects to the
 348	  MPC512x/831x/834x/837x/8572/8610/QorIQ GPIOs.
 349
 350config GPIO_MVEBU
 351	def_bool y
 352	depends on PLAT_ORION || ARCH_MVEBU
 353	depends on OF_GPIO
 354	select GENERIC_IRQ_CHIP
 355	select REGMAP_MMIO
 
 
 
 
 
 
 
 
 
 356
 357config GPIO_MXC
 358	def_bool y
 359	depends on ARCH_MXC
 360	select GPIO_GENERIC
 361	select GENERIC_IRQ_CHIP
 362
 363config GPIO_MXS
 364	def_bool y
 365	depends on ARCH_MXS
 366	select GPIO_GENERIC
 367	select GENERIC_IRQ_CHIP
 368
 369config GPIO_OCTEON
 370	tristate "Cavium OCTEON GPIO"
 371	depends on GPIOLIB && CAVIUM_OCTEON_SOC
 372	default y
 373	help
 374	  Say yes here to support the on-chip GPIO lines on the OCTEON
 375	  family of SOCs.
 376
 377config GPIO_OMAP
 378	tristate "TI OMAP GPIO support" if ARCH_OMAP2PLUS || COMPILE_TEST
 379	default y if ARCH_OMAP
 380	depends on ARM
 381	select GENERIC_IRQ_CHIP
 382	select GPIOLIB_IRQCHIP
 383	help
 384	  Say yes here to enable GPIO support for TI OMAP SoCs.
 385
 386config GPIO_PL061
 387	bool "PrimeCell PL061 GPIO support"
 388	depends on ARM_AMBA
 389	select IRQ_DOMAIN
 390	select GPIOLIB_IRQCHIP
 391	help
 392	  Say yes here to support the PrimeCell PL061 GPIO device
 393
 394config GPIO_PMIC_EIC_SPRD
 395	tristate "Spreadtrum PMIC EIC support"
 396	depends on MFD_SC27XX_PMIC || COMPILE_TEST
 397	depends on OF_GPIO
 398	select GPIOLIB_IRQCHIP
 399	help
 400	  Say yes here to support Spreadtrum PMIC EIC device.
 401
 402config GPIO_PXA
 403	bool "PXA GPIO support"
 404	depends on ARCH_PXA || ARCH_MMP
 405	help
 406	  Say yes here to support the PXA GPIO device
 407
 408config GPIO_RCAR
 409	tristate "Renesas R-Car GPIO"
 410	depends on ARCH_RENESAS || COMPILE_TEST
 411	select GPIOLIB_IRQCHIP
 412	help
 413	  Say yes here to support GPIO on Renesas R-Car SoCs.
 414
 415config GPIO_REG
 416	bool
 417	help
 418	  A 32-bit single register GPIO fixed in/out implementation.  This
 419	  can be used to represent any register as a set of GPIO signals.
 420
 421config GPIO_SPEAR_SPICS
 422	bool "ST SPEAr13xx SPI Chip Select as GPIO support"
 423	depends on PLAT_SPEAR
 424	select GENERIC_IRQ_CHIP
 425	help
 426	  Say yes here to support ST SPEAr SPI Chip Select as GPIO device
 427
 428config GPIO_SPRD
 429	tristate "Spreadtrum GPIO support"
 430	depends on ARCH_SPRD || COMPILE_TEST
 431	depends on OF_GPIO
 432	select GPIOLIB_IRQCHIP
 433	help
 434	  Say yes here to support Spreadtrum GPIO device.
 435
 436config GPIO_STA2X11
 437	bool "STA2x11/ConneXt GPIO support"
 438	depends on MFD_STA2X11
 439	select GENERIC_IRQ_CHIP
 440	help
 441	  Say yes here to support the STA2x11/ConneXt GPIO device.
 442	  The GPIO module has 128 GPIO pins with alternate functions.
 443
 444config GPIO_STP_XWAY
 445	bool "XWAY STP GPIOs"
 446	depends on SOC_XWAY
 447	help
 448	  This enables support for the Serial To Parallel (STP) unit found on
 449	  XWAY SoC. The STP allows the SoC to drive a shift registers cascade,
 450	  that can be up to 24 bit. This peripheral is aimed at driving leds.
 451	  Some of the gpios/leds can be auto updated by the soc with dsl and
 452	  phy status.
 453
 454config GPIO_SYSCON
 455	tristate "GPIO based on SYSCON"
 456	depends on MFD_SYSCON && OF
 457	help
 458	  Say yes here to support GPIO functionality though SYSCON driver.
 459
 460config GPIO_TB10X
 461	bool
 462	select GENERIC_IRQ_CHIP
 463	select OF_GPIO
 464
 465config GPIO_TEGRA
 466	bool "NVIDIA Tegra GPIO support"
 467	default ARCH_TEGRA
 468	depends on ARCH_TEGRA || COMPILE_TEST
 469	depends on OF_GPIO
 470	help
 471	  Say yes here to support GPIO pins on NVIDIA Tegra SoCs.
 472
 473config GPIO_TEGRA186
 474	tristate "NVIDIA Tegra186 GPIO support"
 475	default ARCH_TEGRA_186_SOC
 476	depends on ARCH_TEGRA_186_SOC || COMPILE_TEST
 477	depends on OF_GPIO
 478	select GPIOLIB_IRQCHIP
 479	help
 480	  Say yes here to support GPIO pins on NVIDIA Tegra186 SoCs.
 481
 482config GPIO_TS4800
 483	tristate "TS-4800 DIO blocks and compatibles"
 484	depends on OF_GPIO
 485	depends on SOC_IMX51 || COMPILE_TEST
 486	select GPIO_GENERIC
 487	help
 488	  This driver support TS-4800 FPGA GPIO controllers.
 489
 490config GPIO_THUNDERX
 491	tristate "Cavium ThunderX/OCTEON-TX GPIO"
 492	depends on ARCH_THUNDER || (64BIT && COMPILE_TEST)
 493	depends on PCI_MSI
 494	select IRQ_DOMAIN_HIERARCHY
 495	select IRQ_FASTEOI_HIERARCHY_HANDLERS
 496	help
 497	  Say yes here to support the on-chip GPIO lines on the ThunderX
 498	  and OCTEON-TX families of SoCs.
 499
 500config GPIO_UNIPHIER
 501	tristate "UniPhier GPIO support"
 502	depends on ARCH_UNIPHIER || COMPILE_TEST
 503	depends on OF_GPIO
 504	select IRQ_DOMAIN_HIERARCHY
 505	help
 506	  Say yes here to support UniPhier GPIOs.
 507
 508config GPIO_VF610
 509	def_bool y
 510	depends on ARCH_MXC && SOC_VF610
 511	select GPIOLIB_IRQCHIP
 512	help
 513	  Say yes here to support Vybrid vf610 GPIOs.
 514
 515config GPIO_VR41XX
 516	tristate "NEC VR4100 series General-purpose I/O Uint support"
 517	depends on CPU_VR41XX
 518	help
 519	  Say yes here to support the NEC VR4100 series General-purpose I/O Uint
 520
 521config GPIO_VX855
 522	tristate "VIA VX855/VX875 GPIO"
 523	depends on (X86 || COMPILE_TEST) && PCI
 524	select MFD_CORE
 525	select MFD_VX855
 526	help
 527	  Support access to the VX855/VX875 GPIO lines through the gpio library.
 528
 529	  This driver provides common support for accessing the device,
 530	  additional drivers must be enabled in order to use the
 531	  functionality of the device.
 532
 533config GPIO_XGENE
 534	bool "APM X-Gene GPIO controller support"
 535	depends on ARM64 && OF_GPIO
 536	help
 537	  This driver is to support the GPIO block within the APM X-Gene SoC
 538	  platform's generic flash controller. The GPIO pins are muxed with
 539	  the generic flash controller's address and data pins. Say yes
 540	  here to enable the GFC GPIO functionality.
 541
 542config GPIO_XGENE_SB
 543	tristate "APM X-Gene GPIO standby controller support"
 544	depends on ARCH_XGENE && OF_GPIO
 545	select GPIO_GENERIC
 546	select GPIOLIB_IRQCHIP
 547	select IRQ_DOMAIN_HIERARCHY
 548	help
 549	  This driver supports the GPIO block within the APM X-Gene
 550	  Standby Domain. Say yes here to enable the GPIO functionality.
 551
 552config GPIO_XILINX
 553	tristate "Xilinx GPIO support"
 554	depends on OF_GPIO
 555	help
 556	  Say yes here to support the Xilinx FPGA GPIO device
 557
 558config GPIO_XLP
 559	tristate "Netlogic XLP GPIO support"
 560	depends on OF_GPIO && (CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST)
 561	select GPIOLIB_IRQCHIP
 562	help
 563	  This driver provides support for GPIO interface on Netlogic XLP MIPS64
 564	  SoCs. Currently supported XLP variants are XLP8XX, XLP3XX, XLP2XX,
 565	  XLP9XX and XLP5XX. The same GPIO controller block is also present in
 566	  Cavium's ThunderX2 CN99XX SoCs.
 567
 568	  If unsure, say N.
 569
 570config GPIO_XTENSA
 571	bool "Xtensa GPIO32 support"
 572	depends on XTENSA
 573	depends on HAVE_XTENSA_GPIO32
 574	depends on !SMP
 575	help
 576	  Say yes here to support the Xtensa internal GPIO32 IMPWIRE (input)
 577	  and EXPSTATE (output) ports
 578
 579config GPIO_ZEVIO
 580	bool "LSI ZEVIO SoC memory mapped GPIOs"
 581	depends on ARM && OF_GPIO
 582	help
 583	  Say yes here to support the GPIO controller in LSI ZEVIO SoCs.
 584
 585config GPIO_ZYNQ
 586	tristate "Xilinx Zynq GPIO support"
 587	depends on ARCH_ZYNQ || ARCH_ZYNQMP
 588	select GPIOLIB_IRQCHIP
 589	help
 590	  Say yes here to support Xilinx Zynq GPIO controller.
 591
 592config GPIO_ZX
 593	bool "ZTE ZX GPIO support"
 594	depends on ARCH_ZX || COMPILE_TEST
 595	select GPIOLIB_IRQCHIP
 596	help
 597	  Say yes here to support the GPIO device on ZTE ZX SoCs.
 598
 599config GPIO_LOONGSON1
 600	tristate "Loongson1 GPIO support"
 601	depends on MACH_LOONGSON32
 602	select GPIO_GENERIC
 603	help
 604	  Say Y or M here to support GPIO on Loongson1 SoCs.
 605
 606endmenu
 607
 608menu "Port-mapped I/O GPIO drivers"
 609	depends on X86 # Unconditional I/O space access
 610
 611config GPIO_104_DIO_48E
 612	tristate "ACCES 104-DIO-48E GPIO support"
 613	depends on PC104
 614	select ISA_BUS_API
 615	select GPIOLIB_IRQCHIP
 616	help
 617	  Enables GPIO support for the ACCES 104-DIO-48E series (104-DIO-48E,
 618	  104-DIO-24E). The base port addresses for the devices may be
 619	  configured via the base module parameter. The interrupt line numbers
 620	  for the devices may be configured via the irq module parameter.
 621
 622config GPIO_104_IDIO_16
 623	tristate "ACCES 104-IDIO-16 GPIO support"
 624	depends on PC104
 625	select ISA_BUS_API
 626	select GPIOLIB_IRQCHIP
 627	help
 628	  Enables GPIO support for the ACCES 104-IDIO-16 family (104-IDIO-16,
 629	  104-IDIO-16E, 104-IDO-16, 104-IDIO-8, 104-IDIO-8E, 104-IDO-8). The
 630	  base port addresses for the devices may be configured via the base
 631	  module parameter. The interrupt line numbers for the devices may be
 632	  configured via the irq module parameter.
 633
 634config GPIO_104_IDI_48
 635	tristate "ACCES 104-IDI-48 GPIO support"
 636	depends on PC104
 637	select ISA_BUS_API
 638	select GPIOLIB_IRQCHIP
 639	help
 640	  Enables GPIO support for the ACCES 104-IDI-48 family (104-IDI-48A,
 641	  104-IDI-48AC, 104-IDI-48B, 104-IDI-48BC). The base port addresses for
 642	  the devices may be configured via the base module parameter. The
 643	  interrupt line numbers for the devices may be configured via the irq
 644	  module parameter.
 645
 646config GPIO_F7188X
 647	tristate "F71869, F71869A, F71882FG, F71889F and F81866 GPIO support"
 648	help
 649	  This option enables support for GPIOs found on Fintek Super-I/O
 650	  chips F71869, F71869A, F71882FG, F71889F and F81866.
 651
 652	  To compile this driver as a module, choose M here: the module will
 653	  be called f7188x-gpio.
 654
 655config GPIO_GPIO_MM
 656	tristate "Diamond Systems GPIO-MM GPIO support"
 657	depends on PC104
 658	select ISA_BUS_API
 659	help
 660	  Enables GPIO support for the Diamond Systems GPIO-MM and GPIO-MM-12.
 661
 662	  The Diamond Systems GPIO-MM device features 48 lines of digital I/O
 663	  via the emulation of dual 82C55A PPI chips. This driver provides GPIO
 664	  support for these 48 channels of digital I/O.
 665
 666	  The base port addresses for the devices may be configured via the base
 667	  array module parameter.
 668
 669config GPIO_IT87
 670	tristate "IT87xx GPIO support"
 671	help
 672	  Say yes here to support GPIO functionality of IT87xx Super I/O chips.
 673
 674	  This driver is tested with ITE IT8728 and IT8732 Super I/O chips, and
 675	  supports the IT8761E, IT8620E and IT8628E Super I/O chip as well.
 676
 677	  To compile this driver as a module, choose M here: the module will
 678	  be called gpio_it87
 679
 680config GPIO_SCH
 681	tristate "Intel SCH/TunnelCreek/Centerton/Quark X1000 GPIO"
 682	depends on (X86 || COMPILE_TEST) && PCI
 683	select MFD_CORE
 684	select LPC_SCH
 685	help
 686	  Say yes here to support GPIO interface on Intel Poulsbo SCH,
 687	  Intel Tunnel Creek processor, Intel Centerton processor or
 688	  Intel Quark X1000 SoC.
 689
 690	  The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are
 691	  powered by the core power rail and are turned off during sleep
 692	  modes (S3 and higher). The remaining four GPIOs are powered by
 693	  the Intel SCH suspend power supply. These GPIOs remain
 694	  active during S3. The suspend powered GPIOs can be used to wake the
 695	  system from the Suspend-to-RAM state.
 696
 697	  The Intel Tunnel Creek processor has 5 GPIOs powered by the
 698	  core power rail and 9 from suspend power supply.
 699
 700	  The Intel Centerton processor has a total of 30 GPIO pins.
 701	  Twenty-one are powered by the core power rail and 9 from the
 702	  suspend power supply.
 703
 704	  The Intel Quark X1000 SoC has 2 GPIOs powered by the core
 705	  power well and 6 from the suspend power well.
 706
 707config GPIO_SCH311X
 708	tristate "SMSC SCH311x SuperI/O GPIO"
 709	help
 710	  Driver to enable the GPIOs found on SMSC SMSC SCH3112, SCH3114 and
 711	  SCH3116 "Super I/O" chipsets.
 712
 713	  To compile this driver as a module, choose M here: the module will
 714	  be called gpio-sch311x.
 715
 716config GPIO_TS5500
 717	tristate "TS-5500 DIO blocks and compatibles"
 718	depends on TS5500 || COMPILE_TEST
 719	help
 720	  This driver supports Digital I/O exposed by pin blocks found on some
 721	  Technologic Systems platforms. It includes, but is not limited to, 3
 722	  blocks of the TS-5500: DIO1, DIO2 and the LCD port, and the TS-5600
 723	  LCD port.
 724
 725config GPIO_WINBOND
 726	tristate "Winbond Super I/O GPIO support"
 727	select ISA_BUS_API
 728	help
 729	  This option enables support for GPIOs found on Winbond Super I/O
 730	  chips.
 731	  Currently, only W83627UHG (also known as Nuvoton NCT6627UD) is
 732	  supported.
 733
 734	  You will need to provide a module parameter "gpios", or a
 735	  boot-time parameter "gpio_winbond.gpios" with a bitmask of GPIO
 736	  ports to enable (bit 0 is GPIO1, bit 1 is GPIO2, etc.).
 737
 738	  To compile this driver as a module, choose M here: the module will
 739	  be called gpio-winbond.
 740
 741config GPIO_WS16C48
 742	tristate "WinSystems WS16C48 GPIO support"
 743	select ISA_BUS_API
 744	select GPIOLIB_IRQCHIP
 
 745	help
 746	  Enables GPIO support for the WinSystems WS16C48. The base port
 747	  addresses for the devices may be configured via the base module
 748	  parameter. The interrupt line numbers for the devices may be
 749	  configured via the irq module parameter.
 750
 751endmenu
 752
 753menu "I2C GPIO expanders"
 754	depends on I2C
 
 755
 756config GPIO_ADP5588
 757	tristate "ADP5588 I2C GPIO expander"
 
 758	help
 759	  This option enables support for 18 GPIOs found
 760	  on Analog Devices ADP5588 GPIO Expanders.
 761
 762config GPIO_ADP5588_IRQ
 763	bool "Interrupt controller support for ADP5588"
 764	depends on GPIO_ADP5588=y
 765	help
 766	  Say yes here to enable the adp5588 to be used as an interrupt
 767	  controller. It requires the driver to be built in the kernel.
 768
 769config GPIO_ADNP
 770	tristate "Avionic Design N-bit GPIO expander"
 771	depends on OF_GPIO
 772	select GPIOLIB_IRQCHIP
 773	help
 774	  This option enables support for N GPIOs found on Avionic Design
 775	  I2C GPIO expanders. The register space will be extended by powers
 776	  of two, so the controller will need to accommodate for that. For
 777	  example: if a controller provides 48 pins, 6 registers will be
 778	  enough to represent all pins, but the driver will assume a
 779	  register layout for 64 pins (8 registers).
 780
 781config GPIO_MAX7300
 782	tristate "Maxim MAX7300 GPIO expander"
 
 783	select GPIO_MAX730X
 784	help
 785	  GPIO driver for Maxim MAX7300 I2C-based GPIO expander.
 786
 787config GPIO_MAX732X
 788	tristate "MAX7319, MAX7320-7327 I2C Port Expanders"
 
 789	help
 790	  Say yes here to support the MAX7319, MAX7320-7327 series of I2C
 791	  Port Expanders. Each IO port on these chips has a fixed role of
 792	  Input (designated by 'I'), Push-Pull Output ('O'), or Open-Drain
 793	  Input and Output (designed by 'P'). The combinations are listed
 794	  below:
 795
 796	  8 bits:	max7319 (8I), max7320 (8O), max7321 (8P),
 797		  	max7322 (4I4O), max7323 (4P4O)
 798
 799	  16 bits:	max7324 (8I8O), max7325 (8P8O),
 800		  	max7326 (4I12O), max7327 (4P12O)
 801
 802	  Board setup code must specify the model to use, and the start
 803	  number for these GPIOs.
 804
 805config GPIO_MAX732X_IRQ
 806	bool "Interrupt controller support for MAX732x"
 807	depends on GPIO_MAX732X=y
 808	select GPIOLIB_IRQCHIP
 809	help
 810	  Say yes here to enable the max732x to be used as an interrupt
 811	  controller. It requires the driver to be built in the kernel.
 812
 813config GPIO_MC9S08DZ60
 814	bool "MX35 3DS BOARD MC9S08DZ60 GPIO functions"
 815	depends on I2C=y && MACH_MX35_3DS
 816	help
 817	  Select this to enable the MC9S08DZ60 GPIO driver
 818
 819config GPIO_PCA953X
 820	tristate "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports"
 
 821	help
 822	  Say yes here to provide access to several register-oriented
 823	  SMBus I/O expanders, made mostly by NXP or TI.  Compatible
 824	  models include:
 825
 826	  4 bits:	pca9536, pca9537
 827
 828	  8 bits:	max7310, max7315, pca6107, pca9534, pca9538, pca9554,
 829			pca9556, pca9557, pca9574, tca6408, tca9554, xra1202
 830
 831	  16 bits:	max7312, max7313, pca9535, pca9539, pca9555, pca9575,
 832			tca6416
 833
 834	  24 bits:	tca6424
 835
 836	  40 bits:	pca9505, pca9698
 837
 838config GPIO_PCA953X_IRQ
 839	bool "Interrupt controller support for PCA953x"
 840	depends on GPIO_PCA953X=y
 841	select GPIOLIB_IRQCHIP
 842	help
 843	  Say yes here to enable the pca953x to be used as an interrupt
 844	  controller. It requires the driver to be built in the kernel.
 845
 846config GPIO_PCF857X
 847	tristate "PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders"
 848	select GPIOLIB_IRQCHIP
 849	select IRQ_DOMAIN
 850	help
 851	  Say yes here to provide access to most "quasi-bidirectional" I2C
 852	  GPIO expanders used for additional digital outputs or inputs.
 853	  Most of these parts are from NXP, though TI is a second source for
 854	  some of them.  Compatible models include:
 855
 856	  8 bits:   pcf8574, pcf8574a, pca8574, pca8574a,
 857	            pca9670, pca9672, pca9674, pca9674a,
 858	  	    max7328, max7329
 859
 860	  16 bits:  pcf8575, pcf8575c, pca8575,
 861	            pca9671, pca9673, pca9675
 862
 863	  Your board setup code will need to declare the expanders in
 864	  use, and assign numbers to the GPIOs they expose.  Those GPIOs
 865	  can then be used from drivers and other kernel code, just like
 866	  other GPIOs, but only accessible from task contexts.
 867
 868	  This driver provides an in-kernel interface to those GPIOs using
 869	  platform-neutral GPIO calls.
 870
 871config GPIO_TPIC2810
 872	tristate "TPIC2810 8-Bit I2C GPO expander"
 873	help
 874	  Say yes here to enable the GPO driver for the TI TPIC2810 chip.
 875
 876	  To compile this driver as a module, choose M here: the module will
 877	  be called gpio-tpic2810.
 878
 879config GPIO_TS4900
 880	tristate "Technologic Systems FPGA I2C GPIO"
 881	depends on SOC_IMX6 || COMPILE_TEST
 882	select REGMAP_I2C
 883	help
 884	  Say yes here to enabled the GPIO driver for Technologic's FPGA core.
 885	  Series supported include TS-4100, TS-4900, TS-7970 and TS-7990.
 886
 887endmenu
 888
 889menu "MFD GPIO expanders"
 890
 891config GPIO_ADP5520
 892	tristate "GPIO Support for ADP5520 PMIC"
 893	depends on PMIC_ADP5520
 894	help
 895	  This option enables support for on-chip GPIO found
 896	  on Analog Devices ADP5520 PMICs.
 897
 898config GPIO_ALTERA_A10SR
 899	tristate "Altera Arria10 System Resource GPIO"
 900	depends on MFD_ALTERA_A10SR
 901	help
 902	  Driver for Arria10 Development Kit GPIO expansion which
 903	  includes reads of pushbuttons and DIP switches as well
 904	  as writes to LEDs.
 905
 906config GPIO_ARIZONA
 907	tristate "Wolfson Microelectronics Arizona class devices"
 908	depends on MFD_ARIZONA
 909	help
 910	  Support for GPIOs on Wolfson Arizona class devices.
 911
 912config GPIO_BD9571MWV
 913	tristate "ROHM BD9571 GPIO support"
 914	depends on MFD_BD9571MWV
 915	help
 916	  Support for GPIOs on ROHM BD9571 PMIC. There are two GPIOs
 917	  available on the ROHM PMIC in total, both of which can also
 918	  generate interrupts.
 919
 920	  This driver can also be built as a module. If so, the module
 921	  will be called gpio-bd9571mwv.
 922
 923config GPIO_CRYSTAL_COVE
 924	tristate "GPIO support for Crystal Cove PMIC"
 925	depends on (X86 || COMPILE_TEST) && INTEL_SOC_PMIC
 926	select GPIOLIB_IRQCHIP
 927	help
 928	  Support for GPIO pins on Crystal Cove PMIC.
 929
 930	  Say Yes if you have a Intel SoC based tablet with Crystal Cove PMIC
 931	  inside.
 932
 933	  This driver can also be built as a module. If so, the module will be
 934	  called gpio-crystalcove.
 935
 936config GPIO_CS5535
 937	tristate "AMD CS5535/CS5536 GPIO support"
 938	depends on X86 || MIPS || COMPILE_TEST
 939	depends on MFD_CS5535
 940	help
 941	  The AMD CS5535 and CS5536 southbridges support 28 GPIO pins that
 942	  can be used for quite a number of things.  The CS5535/6 is found on
 943	  AMD Geode and Lemote Yeeloong devices.
 944
 945	  If unsure, say N.
 946
 947config GPIO_DA9052
 948	tristate "Dialog DA9052 GPIO"
 949	depends on PMIC_DA9052
 950	help
 951	  Say yes here to enable the GPIO driver for the DA9052 chip.
 952
 953config GPIO_DA9055
 954	tristate "Dialog Semiconductor DA9055 GPIO"
 955	depends on MFD_DA9055
 956	help
 957	  Say yes here to enable the GPIO driver for the DA9055 chip.
 958
 959	  The Dialog DA9055 PMIC chip has 3 GPIO pins that can be
 960	  be controller by this driver.
 961
 962	  If driver is built as a module it will be called gpio-da9055.
 963
 964config GPIO_DLN2
 965	tristate "Diolan DLN2 GPIO support"
 966	depends on MFD_DLN2
 967	select GPIOLIB_IRQCHIP
 968
 969	help
 970	  Select this option to enable GPIO driver for the Diolan DLN2
 971	  board.
 972
 973	  This driver can also be built as a module. If so, the module
 974	  will be called gpio-dln2.
 975
 976config HTC_EGPIO
 977	bool "HTC EGPIO support"
 978	depends on GPIOLIB && ARM
 979	help
 980	    This driver supports the CPLD egpio chip present on
 981	    several HTC phones.  It provides basic support for input
 982	    pins, output pins, and irqs.
 983
 984config GPIO_JANZ_TTL
 985	tristate "Janz VMOD-TTL Digital IO Module"
 986	depends on MFD_JANZ_CMODIO
 987	help
 988	  This enables support for the Janz VMOD-TTL Digital IO module.
 989	  This driver provides support for driving the pins in output
 990	  mode only. Input mode is not supported.
 991
 992config GPIO_KEMPLD
 993	tristate "Kontron ETX / COMexpress GPIO"
 994	depends on MFD_KEMPLD
 995	help
 996	  This enables support for the PLD GPIO interface on some Kontron ETX
 997	  and COMexpress (ETXexpress) modules.
 998
 999	  This driver can also be built as a module. If so, the module will be
1000	  called gpio-kempld.
1001
1002config GPIO_LP3943
1003	tristate "TI/National Semiconductor LP3943 GPIO expander"
1004	depends on MFD_LP3943
1005	help
1006	  GPIO driver for LP3943 MFD.
1007	  LP3943 can be used as a GPIO expander which provides up to 16 GPIOs.
1008	  Open drain outputs are required for this usage.
1009
1010config GPIO_LP873X
1011	tristate "TI LP873X GPO"
1012	depends on MFD_TI_LP873X
1013	help
1014	  This driver supports the GPO on TI Lp873x PMICs. 2 GPOs are present
1015	  on LP873X PMICs.
1016
1017	  This driver can also be built as a module. If so, the module will be
1018          called gpio-lp873x.
1019
1020config GPIO_LP87565
1021	tristate "TI LP87565 GPIO"
1022	depends on MFD_TI_LP87565
1023	help
1024	  This driver supports the GPIO on TI Lp873565 PMICs. 3 GPIOs are present
1025	  on LP87565 PMICs.
1026
1027	  This driver can also be built as a module. If so, the module will be
1028	  called gpio-lp87565.
1029
1030config GPIO_MAX77620
1031	tristate "GPIO support for PMIC MAX77620 and MAX20024"
1032	depends on MFD_MAX77620
1033	help
1034	  GPIO driver for MAX77620 and MAX20024 PMIC from Maxim Semiconductor.
1035	  MAX77620 PMIC has 8 pins that can be configured as GPIOs. The
1036	  driver also provides interrupt support for each of the gpios.
1037	  Say yes here to enable the max77620 to be used as gpio controller.
1038
1039config GPIO_MSIC
1040	bool "Intel MSIC mixed signal gpio support"
1041	depends on (X86 || COMPILE_TEST) && MFD_INTEL_MSIC
1042	help
1043	  Enable support for GPIO on intel MSIC controllers found in
1044	  intel MID devices
1045
1046config GPIO_PALMAS
1047	bool "TI PALMAS series PMICs GPIO"
1048	depends on MFD_PALMAS
1049	help
1050	  Select this option to enable GPIO driver for the TI PALMAS
1051	  series chip family.
1052
1053config GPIO_RC5T583
1054	bool "RICOH RC5T583 GPIO"
1055	depends on MFD_RC5T583
1056	help
1057	  Select this option to enable GPIO driver for the Ricoh RC5T583
1058	  chip family.
1059	  This driver provides the support for driving/reading the gpio pins
1060	  of RC5T583 device through standard gpio library.
1061
 
 
 
 
 
 
 
 
 
 
 
1062config GPIO_STMPE
1063	bool "STMPE GPIOs"
1064	depends on MFD_STMPE
1065	depends on OF_GPIO
1066	select GPIOLIB_IRQCHIP
1067	help
1068	  This enables support for the GPIOs found on the STMPE I/O
1069	  Expanders.
1070
 
 
 
 
 
 
 
 
 
 
1071config GPIO_TC3589X
1072	bool "TC3589X GPIOs"
1073	depends on MFD_TC3589X
1074	depends on OF_GPIO
1075	select GPIOLIB_IRQCHIP
1076	help
1077	  This enables support for the GPIOs found on the TC3589X
1078	  I/O Expander.
1079
1080config GPIO_TIMBERDALE
1081	bool "Support for timberdale GPIO IP"
1082	depends on MFD_TIMBERDALE
1083	---help---
1084	Add support for the GPIO IP in the timberdale FPGA.
1085
1086config GPIO_TPS65086
1087	tristate "TI TPS65086 GPO"
1088	depends on MFD_TPS65086
1089	help
1090	  This driver supports the GPO on TI TPS65086x PMICs.
1091
1092config GPIO_TPS65218
1093	tristate "TPS65218 GPIO"
1094	depends on MFD_TPS65218
1095	help
1096	  Select this option to enable GPIO driver for the TPS65218
1097	  chip family.
1098
1099config GPIO_TPS6586X
1100	bool "TPS6586X GPIO"
1101	depends on MFD_TPS6586X
1102	help
1103	  Select this option to enable GPIO driver for the TPS6586X
1104	  chip family.
1105
1106config GPIO_TPS65910
1107	bool "TPS65910 GPIO"
1108	depends on MFD_TPS65910
1109	help
1110	  Select this option to enable GPIO driver for the TPS65910
1111	  chip family.
1112
1113config GPIO_TPS65912
1114	tristate "TI TPS65912 GPIO"
1115	depends on MFD_TPS65912
1116	help
1117	  This driver supports TPS65912 gpio chip
1118
1119config GPIO_TPS68470
1120	bool "TPS68470 GPIO"
1121	depends on MFD_TPS68470
1122	help
1123	  Select this option to enable GPIO driver for the TPS68470
1124	  chip family.
1125	  There are 7 GPIOs and few sensor related GPIOs supported
1126	  by the TPS68470. While the 7 GPIOs can be configured as
1127	  input or output as appropriate, the sensor related GPIOs
1128	  are "output only" GPIOs.
1129
1130	  This driver config is bool, as the GPIO functionality
1131	  of the TPS68470 must be available before dependent
1132	  drivers are loaded.
1133
1134config GPIO_TWL4030
1135	tristate "TWL4030, TWL5030, and TPS659x0 GPIOs"
1136	depends on TWL4030_CORE
1137	help
1138	  Say yes here to access the GPIO signals of various multi-function
1139	  power management chips from Texas Instruments.
1140
1141config GPIO_TWL6040
1142	tristate "TWL6040 GPO"
1143	depends on TWL6040_CORE
1144	help
1145	  Say yes here to access the GPO signals of twl6040
1146	  audio chip from Texas Instruments.
1147
1148config GPIO_UCB1400
1149	tristate "Philips UCB1400 GPIO"
1150	depends on UCB1400_CORE
1151	help
1152	  This enables support for the Philips UCB1400 GPIO pins.
1153	  The UCB1400 is an AC97 audio codec.
1154
1155config GPIO_WHISKEY_COVE
1156	tristate "GPIO support for Whiskey Cove PMIC"
1157	depends on (X86 || COMPILE_TEST) && INTEL_SOC_PMIC_BXTWC
1158	select GPIOLIB_IRQCHIP
1159	help
1160	  Support for GPIO pins on Whiskey Cove PMIC.
1161
1162	  Say Yes if you have a Intel SoC based tablet with Whiskey Cove PMIC
1163	  inside.
1164
1165	  This driver can also be built as a module. If so, the module will be
1166	  called gpio-wcove.
1167
1168config GPIO_WM831X
1169	tristate "WM831x GPIOs"
1170	depends on MFD_WM831X
1171	help
1172	  Say yes here to access the GPIO signals of WM831x power management
1173	  chips from Wolfson Microelectronics.
1174
1175config GPIO_WM8350
1176	tristate "WM8350 GPIOs"
1177	depends on MFD_WM8350
1178	help
1179	  Say yes here to access the GPIO signals of WM8350 power management
1180	  chips from Wolfson Microelectronics.
1181
1182config GPIO_WM8994
1183	tristate "WM8994 GPIOs"
1184	depends on MFD_WM8994
1185	help
1186	  Say yes here to access the GPIO signals of WM8994 audio hub
1187	  CODECs from Wolfson Microelectronics.
1188
1189endmenu
 
 
 
 
 
1190
1191menu "PCI GPIO expanders"
1192	depends on PCI
 
 
 
 
1193
1194config GPIO_AMD8111
1195	tristate "AMD 8111 GPIO driver"
1196	depends on X86 || COMPILE_TEST
1197	help
1198	  The AMD 8111 south bridge contains 32 GPIO pins which can be used.
 
1199
1200	  Note, that usually system firmware/ACPI handles GPIO pins on their
1201	  own and users might easily break their systems with uncarefull usage
1202	  of this driver!
1203
1204	  If unsure, say N
 
 
 
 
 
 
 
 
1205
1206config GPIO_BT8XX
1207	tristate "BT8XX GPIO abuser"
1208	depends on VIDEO_BT848=n
1209	help
1210	  The BT8xx frame grabber chip has 24 GPIO pins that can be abused
1211	  as a cheap PCI GPIO card.
1212
1213	  This chip can be found on Miro, Hauppauge and STB TV-cards.
1214
1215	  The card needs to be physically altered for using it as a
1216	  GPIO card. For more information on how to build a GPIO card
1217	  from a BT8xx TV card, see the documentation file at
1218	  Documentation/bt8xxgpio.txt
1219
1220	  If unsure, say N.
1221
1222config GPIO_INTEL_MID
1223	bool "Intel MID GPIO support"
1224	depends on X86_INTEL_MID
1225	select GPIOLIB_IRQCHIP
1226	help
1227	  Say Y here to support Intel MID GPIO.
1228
1229config GPIO_MERRIFIELD
1230	tristate "Intel Merrifield GPIO support"
1231	depends on X86_INTEL_MID
1232	select GPIOLIB_IRQCHIP
1233	help
1234	  Say Y here to support Intel Merrifield GPIO.
1235
1236config GPIO_ML_IOH
1237	tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support"
1238	depends on X86 || COMPILE_TEST
1239	select GENERIC_IRQ_CHIP
1240	help
1241	  ML7213 is companion chip for Intel Atom E6xx series.
1242	  This driver can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output
1243	  Hub) which is for IVI(In-Vehicle Infotainment) use.
1244	  This driver can access the IOH's GPIO device.
1245
1246config GPIO_PCH
1247	tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7223/ML7831) GPIO"
1248	depends on X86_32 || MIPS || COMPILE_TEST
1249	select GENERIC_IRQ_CHIP
1250	help
1251	  This driver is for PCH(Platform controller Hub) GPIO of Intel Topcliff
1252	  which is an IOH(Input/Output Hub) for x86 embedded processor.
1253	  This driver can access PCH GPIO device.
1254
1255	  This driver also can be used for LAPIS Semiconductor IOH(Input/
1256	  Output Hub), ML7223 and ML7831.
1257	  ML7223 IOH is for MP(Media Phone) use.
1258	  ML7831 IOH is for general purpose use.
1259	  ML7223/ML7831 is companion chip for Intel Atom E6xx series.
1260	  ML7223/ML7831 is completely compatible for Intel EG20T PCH.
1261
1262config GPIO_PCI_IDIO_16
1263	tristate "ACCES PCI-IDIO-16 GPIO support"
1264	select GPIOLIB_IRQCHIP
1265	help
1266	  Enables GPIO support for the ACCES PCI-IDIO-16. An interrupt is
1267	  generated when any of the inputs change state (low to high or high to
1268	  low). Input filter control is not supported by this driver, and the
1269	  input filters are deactivated by this driver.
1270
1271config GPIO_PCIE_IDIO_24
1272	tristate "ACCES PCIe-IDIO-24 GPIO support"
1273	select GPIOLIB_IRQCHIP
1274	help
1275	  Enables GPIO support for the ACCES PCIe-IDIO-24 family (PCIe-IDIO-24,
1276	  PCIe-IDI-24, PCIe-IDO-24, PCIe-IDIO-12). An interrupt is generated
1277	  when any of the inputs change state (low to high or high to low).
1278	  Input filter control is not supported by this driver, and the input
1279	  filters are deactivated by this driver.
1280
1281config GPIO_RDC321X
1282	tristate "RDC R-321x GPIO support"
1283	select MFD_CORE
1284	select MFD_RDC321X
1285	help
1286	  Support for the RDC R321x SoC GPIOs over southbridge
1287	  PCI configuration space.
 
 
1288
1289config GPIO_SODAVILLE
1290	bool "Intel Sodaville GPIO support"
1291	depends on X86 && OF
1292	select GPIO_GENERIC
1293	select GENERIC_IRQ_CHIP
1294	help
1295	  Say Y here to support Intel Sodaville GPIO.
1296
1297endmenu
1298
1299menu "SPI GPIO expanders"
1300	depends on SPI_MASTER
 
1301
1302config GPIO_74X164
1303	tristate "74x164 serial-in/parallel-out 8-bits shift register"
1304	depends on OF_GPIO
 
 
1305	help
1306	  Driver for 74x164 compatible serial-in/parallel-out 8-outputs
1307	  shift registers. This driver can be used to provide access
1308	  to more gpio outputs.
1309
1310config GPIO_MAX3191X
1311	tristate "Maxim MAX3191x industrial serializer"
1312	select CRC8
1313	help
1314	  GPIO driver for Maxim MAX31910, MAX31911, MAX31912, MAX31913,
1315	  MAX31953 and MAX31963 industrial serializer, a daisy-chainable
1316	  chip to make 8 digital 24V inputs available via SPI.  Supports
1317	  CRC checksums to guard against electromagnetic interference,
1318	  as well as undervoltage and overtemperature detection.
1319
1320config GPIO_MAX7301
1321	tristate "Maxim MAX7301 GPIO expander"
 
1322	select GPIO_MAX730X
1323	help
1324	  GPIO driver for Maxim MAX7301 SPI-based GPIO expander.
1325
 
 
 
 
 
 
 
 
1326config GPIO_MC33880
1327	tristate "Freescale MC33880 high-side/low-side switch"
 
1328	help
1329	  SPI driver for Freescale MC33880 high-side/low-side switch.
1330	  This provides GPIO interface supporting inputs and outputs.
1331
1332config GPIO_PISOSR
1333	tristate "Generic parallel-in/serial-out shift register"
 
1334	help
1335	  GPIO driver for SPI compatible parallel-in/serial-out shift
1336	  registers. These are input only devices.
 
 
 
1337
1338config GPIO_XRA1403
1339	tristate "EXAR XRA1403 16-bit GPIO expander"
1340	select REGMAP_SPI
1341	help
1342	  GPIO driver for EXAR XRA1403 16-bit SPI-based GPIO expander.
 
1343
1344endmenu
1345
1346menu "USB GPIO expanders"
1347	depends on USB
 
 
 
 
 
 
 
 
 
 
 
1348
1349config GPIO_VIPERBOARD
1350	tristate "Viperboard GPIO a & b support"
1351	depends on MFD_VIPERBOARD
1352	help
1353	  Say yes here to access the GPIO signals of Nano River
1354	  Technologies Viperboard. There are two GPIO chips on the
1355	  board: gpioa and gpiob.
1356          See viperboard API specification and Nano
1357          River Tech's viperboard.h for detailed meaning
1358          of the module parameters.
1359
1360endmenu
 
 
 
 
 
1361
1362endif